Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
cop
←
Latin
colaphus
(inherited)
←
Old Catalan
colp
(inherited)
→
Catalan
copejar
(affix)
→
Occitan
còp
(cognate)